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How Does an Interval Timer Work? →
An interval timer moves through a planned sequence of timed work and rest periods. You choose the durations and order, then follow each transition instead of watching a clock and resetting it by hand.
Guides / Answers you can use
Understand the method. Make it yours.
Learn how a workout timer works, build a plan around your own training, and make sense of what changed after a session. Each guide answers one practical question first.
Find an answer
Choose the question on your mind.
Guides explain the method or workflow. If you want a complete routine to follow, head to Workouts.
Start here
Core questions about timers, custom workouts and background playback.
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How to Set Up a HIIT Timer →
Use a timer that can repeat a sequence of work and rest periods. Decide the exercise, work duration, rest duration and number of rounds before you start.
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What Is a Tabata Timer? The 20/10 × 8 Pattern →
The familiar Tabata timing pattern has eight 20-second work intervals separated by 10-second rests. It is a specific interval structure, often described as 20/10 × 8.
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A Workout Timer for Reps and Time →
Yes. Write each exercise as either a repetition target or a duration, put the steps in order, and include rests where you need them. The workout is a sequence, not one countdown.
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How to Build a Custom Workout →
Choose the movements first, give each one a rep or time target, insert rests, group repeated steps, then check the order before you start. A usable plan says what to do next at every point.
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How to Keep a Workout Timer Running in the Background →
Yes, when the workout app supports background playback. Start the session, switch to what you need, and use the active workout notification to check status or controls.
Go deeper
Learn how reusable routines, live adjustments and progress tracking work.
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How to Reuse Workout Routines →
Make the warm-up a routine of its own, then reference that routine inside each workout that needs it. You keep one reusable building block instead of re-entering the steps every time.
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How to Change a Workout While Training →
Keep the session running and adjust the relevant value when the player allows it. For example, change a 10-rep target to 12 reps instead of stopping and rebuilding the workout.
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How to Track Workout Progress and Personal Records →
Record what you actually completed, then compare the same exercise or workout across sessions. Look at relevant measures such as reps, weight, time or consistency rather than one isolated score.
More ways to train
Plan weekly goals and decide what to update after a session.
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How to Set Weekly Workout Goals →
Choose the measure that matches your intent: how often you train or how much time you spend training. A goal works best when it is specific enough to check and realistic for your routine.
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How to Review and Update a Workout After Training →
First record what actually happened in the completed session. Then make a separate choice about whether those changes should update the original workout for future sessions.
Learn it, then try it
Take the idea into a real workout.
Choose a complete routine with exercises, timing and rests already laid out.
Browse the workouts →